| Customization: | Available |
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| Application: | Overhead |
| Voltage: | Low and Medium Voltage Cable |
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Aerial Bundled Cable (ABC) for medium voltage 12.7/22(24) kV, constructed in accordance with AS/NZS 3599.2, consists of single-core, fully insulated phase conductors, often twisted around a neutral support conductor, all designed for overhead distribution of electricity.
These cables are designed for medium voltage (MV) overhead power systems where space, safety, and environmental impact are considerations.
Urban, suburban, and rural MV overhead distribution networks
Ideal in areas with dense vegetation, narrow corridors, or limited right-of-way
Commonly used in power reticulation, feeder circuits, and rural electrification
Suitable for coastal or industrial areas with high pollution or salt exposure
Improves safety over bare conductor systems due to full insulation
| Standard | Title |
|---|---|
| AS/NZS 3599.2 | Medium Voltage Aerial Bundled Cables - Construction, Testing, and Performance |
| AS/NZS 1125 | Conductors in insulated cables |
| AS/NZS 3808 | Insulating and sheathing materials |
| IEC 60228 | Conductors of insulated cables (class 2, stranded) |
| IEC 60502-2 | Extruded insulated power cables of rated voltages from 6 kV to 30 kV (reference) |
A typical ABC MV 12.7/22(24) kV cable under AS/NZS 3599.2 includes the following components:
| Component | Description |
|---|---|
| Conductor | Stranded aluminum (Class 2, circular compacted) |
| Conductor Screen | Extruded semi-conductive thermoplastic or thermoset material |
| Insulation | XLPE (Cross-linked Polyethylene), heat and weather resistant |
| Insulation Screen | Extruded strippable semi-conductive layer |
| Metallic Screen | Helically applied wires or tapes, typically aluminum or copper |
| Outer Sheath (optional) | UV-resistant PE or HDPE; sometimes omitted for bare-bundled installations |
| Bundling | 3 phase conductors + 1 neutral + streetlight core (optional), twisted |
| Support (Messenger) | Neutral conductor or steel-reinforced conductor (if required for tension) |
| Property | Value / Notes |
|---|---|
| Rated Voltage (U/U0) | 12.7/22 kV (24 kV max design voltage) |
| Max Operating Temperature | 90°C continuous, 130°C emergency, 250°C short-circuit |
| Short Circuit Duration | 1 second |
| Bending Radius | ≥ 12 × overall diameter |
| Flame Retardance | Optional (AS/NZS 3808 compliant material) |
| UV Resistance | Required for outer insulation |
Improved safety: Insulated, reducing risk of electrical contact
Environmental resilience: UV, ozone, and chemical resistant
Reduced vegetation trimming
Less prone to short circuits due to branches or animals
Faster installation and lower maintenance
Single-core phase conductors
Three-core twisted set
Optional integrated public lighting core
Neutral support wire can be either:
Bare neutral conductor (supported system)
Insulated (fully bundled system)
A typical cross-section includes:
Central aluminum conductor
Inner semi-conductive conductor screen
Thick XLPE insulation
Outer semi-conductive insulation screen
Metallic screen (for earthing)
UV-resistant outer layer (optional)
Bundled with other phase or neutral cores
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